![](https://coimages.sciencemuseumgroup.org.uk/43/60/large_thumbnail_1984_0663.jpg)
Diagram, method of measuring electromagnet for photo-electrons
- Made:
- 1899
- designer:
- Joseph John Thomson
Diagram of Thomson's method of measuring electromagnet for photo-electrons (1899)
Diagram of Thomson's method of measuring electromagnet for photo-electrons (1899)